Support film for tape and tape

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9340709
APP PUB NO 20130209799A1
SERIAL NO

13812751

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A support film for tape which is used for a tape, the support film for tape includes: a film-shaped support formed of polyurethane; and a barrier layer which includes a water-soluble polymer compound and montmorillonite and is formed on one surface of the support. The support film for tape has a percentage content of the montmorillonite in the barrier layer is equal to or more than 2 percent by weight and equal to or less than 22 percent by weight.

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First Claim

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Patent Owner(s)

  • HISAMITSU PHARMACEUTICAL CO., INC.;TOPPAN PRINTING CO., LTD.;MARUTO SANGYO CO., LTD.

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Matsushima, Atsushi Kitakatsushika-gun, JP 13 71
Nishihara, Tsuguki Saitama, JP 7 20
Shima, Takito Tsukuba, JP 18 44
Takada, Yasunori Tsukuba, JP 39 172
Takamiya, Tsuyoshi Ogori, JP 5 16
Tateishi, Tetsurou Tsukuba, JP 5 21
Yoshida, Chiaki Oura-gun, JP 6 21

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